Energy-saving effect calculator

Abstract

An energy-saving effect calculator which includes a unit for determining a standard value of each of a plurality of patterns created from a past operation mode, a past demand data, and past operation data of a boiler; and a comparing unit for creating patterns of an operation mode, demand data, and operation data at a present time, and comparing a value of the pattern with the standard value, wherein at least one of a reduction in energy cost and a reduction in CO 2 is calculated based on a comparison result of the comparing unit.

1 . An energy-saving effect calculator comprising:
 a unit for determining a standard value of each of a plurality of patterns created from a past operation mode, a past demand data, and past operation data of a boiler; and   a comparing unit for creating patterns of an operation mode, demand data, and operation data at a present time, and comparing a value of the pattern with the standard value,   wherein at least one of a reduction in energy cost and a reduction in CO 2  is calculated based on a comparison result of the comparing unit.   
     
     
         2 . The energy-saving effect calculator according to  claim 1 ,
 wherein the operation mode is the number of running boilers, the demand data is a demand for steam and electric power, and the operation data is a main steam flow rate of the boiler.   
     
     
         3 . The energy-saving effect calculator according to  claim 1 ,
 wherein the reduction in energy cost is a reduction in cost of fuel consumed in all the boilers, and is calculated according to the following equation:
   reduction in cost of fuel consumed in boilers=(reduction in steam flow rate in boiler×coefficient of converting steam in boiler into fuel×unit price of fuel).
 
   
     
     
         4 . The energy-saving effect calculator according to  claim 1 ,
 wherein the reduction in CO 2  is calculated according to the following equation:
   reduction in CO 2 =(reduction in steam flow rate in boiler×coefficient of converting steam in boiler into fuel×CO 2  emission coefficient of fuel consumed in boiler).
 
   
     
     
         5 . A method of calculating an energy-saving effect comprising:
 determining a standard value of each of a plurality of patterns created from a past operation mode, a past demand data, and past operation data of a boiler;   creating patterns of an operation mode, demand data, and operation data at a present time, and   comparing a value of the pattern with the standard value,   wherein at least one of a reduction in energy cost and a reduction in CO 2  is calculated based on a comparison result of the comparing unit.   
     
     
         6 . The method of calculating an energy-saving effect according to  claim 5 ,
 wherein the operation mode is the number of running boilers, the demand data is a demand for steam and electric power, and the operation data is a main steam flow rate of the boiler.   
     
     
         7 . The method of calculating an energy-saving effect according to  claim 5 ,
 wherein the reduction in energy cost is a reduction in cost of fuel consumed in all the boilers, and is calculated according to the following equation:
   reduction in cost of fuel consumed in boilers=(reduction in steam flow rate in boiler×coefficient of converting steam in boiler into fuel×unit price of fuel).
 
   
     
     
         8 . The method of calculating an energy-saving effect according to  claim 5 ,
 wherein the reduction in CO 2  is calculated according to the following equation:
   reduction in CO 2 =(reduction in steam flow rate in boiler×coefficient of converting steam in boiler into fuel×CO 2  emission coefficient of fuel consumed in boiler).